package com.ruoyi.common.core.utils;

import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

/**
 * 时间工具类
 *
 * @author ruoyi
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate()
    {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate()
    {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime()
    {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow()
    {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format)
    {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date)
    {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date)
    {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts)
    {
        try
        {
            return new SimpleDateFormat(format).parse(ts);
        }
        catch (ParseException e)
        {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    public static final String getMonth(Date date){
        //nyCheckMeter.getFeeCycle()
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int month = cal.get(Calendar.MONTH) + 1;
        return String.valueOf(month);
    }
    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str)
    {
        if (str == null)
        {
            return null;
        }
        try
        {
            return parseDate(str.toString(), parsePatterns);
        }
        catch (ParseException e)
        {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate()
    {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 获取当月的第一天
     *
     * @return
     */
    public static Date getFirstDayOfMonth() throws ParseException {
        //return DateUtil.beginOfMonth(new Date()).dayOfMonth();
        //获取本月第一天
        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, 0);
        calendar.set(Calendar.DAY_OF_MONTH, 1);
        Date result = calendar.getTime();
        SimpleDateFormat format= new SimpleDateFormat("yyyy-MM-dd");
        String tmp= format.format(result)+" 00:00:00";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

        return sdf.parse(tmp);
    }

//    public static void main(String[] args) {
//        System.out.println(getFirstDayOfMonth());
//    }
    /**
     *比较两个时间返回秒分、时、天
     * @param startTime 开始时间
     * @param endTime 结束时间
     * @return
     */
    public static String compareTime(Date endTime,Date startTime){
        long diff = endTime.getTime() - endTime.getTime();
        if(diff>1000 * 3600 * 24){
            return diff / (1000 * 3600 * 24)+"天";
        }else if (diff>1000 * 3600){
            return diff / (1000 * 3600)+"小时";
        }else if (diff>1000 * 60){
            return diff / (1000 * 60)+"分";
        }else {
            return diff/1000+"秒";
        }
    }
    /**
     * 计算两个时间差
     */
    public static String getDatePoor(Date endDate, Date nowDate)
    {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }


    /**
     * 把秒转换成 时：分：秒
     *
     * @param second
     * @return
     */
    public static String secondCover(Long second) {
        Long temp = 0L;
        StringBuffer sb = new StringBuffer();
        temp = second / 3600;
        sb.append((temp < 10) ? "0" + temp + ":" : "" + temp + ":");

        temp = second % 3600 / 60;
        sb.append((temp < 10) ? "0" + temp + ":" : "" + temp + ":");

        temp = second % 3600 % 60;
        sb.append((temp < 10) ? "0" + temp : "" + temp);
        return sb.toString();
    }

}
